maint: update copyright year, bootstrap, init.sh

Run "make update-copyright" and then...

* gnulib: Update to latest.
* tests/init.sh: Update from gnulib.
* bootstrap: Likewise.

2 files changed, 27 insertions, 3 deletions

diff --git a/tests/help-version b/tests/help-version
index 5f01f76..339ece7 100755
--- a/tests/help-version
+++ b/tests/help-version
@@ -2,7 +2,7 @@
 # Make sure all these programs work properly
 # when invoked with --help or --version.
 
-# Copyright (C) 2000-2013, 2015 Free Software Foundation, Inc.
+# Copyright (C) 2000-2013, 2015-2016 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/init.sh b/tests/init.sh
index 671f802..ee08022 100644
--- a/tests/init.sh
+++ b/tests/init.sh
@@ -1,6 +1,6 @@
 # source this file; set up for tests
 
-# Copyright (C) 2009-2013, 2015 Free Software Foundation, Inc.
+# Copyright (C) 2009-2016 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -93,6 +93,27 @@ skip_ () { warn_ "$ME_: skipped test: $@"; Exit 77; }
 fatal_ () { warn_ "$ME_: hard error: $@"; Exit 99; }
 framework_failure_ () { warn_ "$ME_: set-up failure: $@"; Exit 99; }
 
+# This is used to simplify checking of the return value
+# which is useful when ensuring a command fails as desired.
+# I.e., just doing `command ... &&fail=1` will not catch
+# a segfault in command for example.  With this helper you
+# instead check an explicit exit code like
+#   returns_ 1 command ... || fail
+returns_ () {
+  # Disable tracing so it doesn't interfere with stderr of the wrapped command
+  { set +x; } 2>/dev/null
+
+  local exp_exit="$1"
+  shift
+  "$@"
+  test $? -eq $exp_exit && ret_=0 || ret_=1
+
+  if test "$VERBOSE" = yes && test "$gl_set_x_corrupts_stderr_" = false; then
+    set -x
+  fi
+  { return $ret_; } 2>/dev/null
+}
+
 # Sanitize this shell to POSIX mode, if possible.
 DUALCASE=1; export DUALCASE
 if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
@@ -129,6 +150,7 @@ fi
 #  ? - not ok
 gl_shell_test_script_='
 test $(echo y) = y || exit 1
+f_local_() { local v=1; }; f_local_ || exit 1
 score_=10
 if test "$VERBOSE" = yes; then
   test -n "$( (exec 3>&1; set -x; P=1 true 2>&3) 2> /dev/null)" && score_=9
@@ -201,6 +223,8 @@ else
       *x*) opts_=-x ;;
       *) opts_= ;;
     esac
+    re_shell=$re_shell_
+    export re_shell
     exec "$re_shell_" $opts_ "$0" --no-reexec "$@"
     echo "$ME_: exec failed" 1>&2
     exit 127
@@ -303,7 +327,7 @@ elif diff_out_=`exec 2>/dev/null; diff -c "$0" "$0" < /dev/null`; then
       fi
     }
   fi
-elif ( cmp --version < /dev/null 2>&1 | grep GNU ) > /dev/null 2>&1; then
+elif cmp -s /dev/null /dev/null 2>/dev/null; then
   compare_ () { cmp -s "$@"; }
 else
   compare_ () { cmp "$@"; }